This sailplane has with wide envelope of speeds and superb thermal characteristics.The Serena is a fast assembling, high quality model and incredible performer. It has a double-trapezoid, tapered wing. It also has a built-in washout for tip-stall resistant flight characteristics, and lower drag. It features the OP0830C-modified airfoil specially modified for this sailplane Serena-s wing could be built with aileron and flaps or with ailerons only if desired by the builder.Kit contains: model components, all necessary hardware, drawing and step by step instructions.